IDFC FIRST Bank Mobile Banking IDFC FIRST Bank’s (बैंक) mobile app is an intuitive, innovative banking platform for transferring money from your savings account (सेविंग्स अकाउंट), making UPI and bill payments, getting a personal loan, purchasing FASTag, investing in Mutual Funds, and buying insurance. https://play.google.com/store/apps/details?id=com.idfcfirstbank.optimus